Arman Tsarukyan vs Tony Ferguson booked for RAF on June 13

Arman Tsarukyan will face Tony Ferguson at a RAF (Russian promotion) event scheduled for June 13th. This represents a significant matchup pairing the top UFC lightweight contender Tsarukyan against the former interim champion Ferguson. The bout appears to be scheduled for a Russian promotion rather than the UFC. No additional context is provided about how this fight came together or what it means for either fighter's UFC status. The announcement seems notable given both fighters' UFC histories.